%% Plot values
plot(Tick, Value, '.');

%% cut one step
stepIndex = 141469; % FILL THIS!!! (find with Data Cursor/Export)
delta = 3000;
Y=Value(stepIndex-delta:stepIndex+delta);
T=Tick(stepIndex-delta:stepIndex+delta)/10000;
T=T-T(1);

%% Plot step
plot(T, Y);

%% CalcRef
U=zeros(delta*2+1, 1);
U(delta+1:end) = 0.045;

%% Plot All
plot(T, [U Y]);